-4.85% is the change from 990 to 942
Calculation steps:
[( 942 - 990 ) ÷ 990] x 100 = -4.85%
Formula
Percentage change = [(942 - 990) / 990] x 100
Subtract the new number by the original number
942 - 990 = -48
-48 ÷ 990 = -0.048484848484848485
-0.048484848484848485 x 100 = -4.85%